FreeCalypso > hg > freecalypso-sw

annotate rvinterf/ctracedec/doprnt.c @ 902:4423039aeb4b

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rvtdump: report ext LCD output packets sanely
author Space Falcon <falcon@ivan.Harhan.ORG>
date Sun, 06 Sep 2015 07:27:57 +0000
parents d32dff865575
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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diff changeset
1 /*
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2 * We need our own implementation of an sprintf-like function in order
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3 * to expand compressed traces with format strings from str2ind.tab
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4 * and parameters decoded from the serial byte stream. This module is
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5 * a hacked-up version of the guts of the printf family of functions
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6 * from 4.3BSD-Tahoe.
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7 */
3
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8
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9 #include <sys/types.h>
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10 #include <ctype.h>
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d32dff865575 ctracedec compiles
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11 #include <string.h>
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12 #include <strings.h>
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13
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14 static void
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15 safe_out_char(c, pp)
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16 int c;
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17 char **pp;
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18 {
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19 char *dp;
3
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20
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21 c &= 0xFF;
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22 dp = *pp;
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23 if (c & 0x80) {
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24 *dp++ = 'M';
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25 *dp++ = '-';
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26 c &= 0x7F;
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27 }
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28 if (c < 0x20) {
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29 *dp++ = '^';
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30 *dp++ = c + '@';
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31 } else if (c == 0x7F) {
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32 *dp++ = '^';
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33 *dp++ = '?';
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34 } else
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35 *dp++ = c;
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36 *pp = dp;
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37 }
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38
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39 #define PUTC(ch) safe_out_char((ch), &outp)
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40
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41 #define ARG() \
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42 _ulong = *argp++;
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43
201
84611183c8c3 target-utils/libprintf: minor polish
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44 #define BUF 12
3
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45
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46 #define todigit(c) ((c) - '0')
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47 #define tochar(n) ((n) + '0')
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48
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49 #define LONGINT 0x01 /* long integer */
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50 #define LONGDBL 0x02 /* long double; unimplemented */
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51 #define SHORTINT 0x04 /* short integer */
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52 #define ALT 0x08 /* alternate form */
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53 #define LADJUST 0x10 /* left adjustment */
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54 #define ZEROPAD 0x20 /* zero (as opposed to blank) pad */
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55 #define HEXPREFIX 0x40 /* add 0x or 0X prefix */
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56
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57 ind2str_doprnt(fmt0, argp, outp)
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58 u_char *fmt0, *outp;
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59 u_long *argp;
3
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60 {
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61 register u_char *fmt; /* format string */
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62 register int ch; /* character from fmt */
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63 register int cnt; /* return value accumulator */
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64 register int n; /* random handy integer */
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65 register char *t; /* buffer pointer */
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66 u_long _ulong; /* integer arguments %[diouxX] */
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67 int base; /* base for [diouxX] conversion */
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68 int dprec; /* decimal precision in [diouxX] */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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69 int fieldsz; /* field size expanded by sign, etc */
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70 int flags; /* flags as above */
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71 int prec; /* precision from format (%.3d), or -1 */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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72 int realsz; /* field size expanded by decimal precision */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
73 int size; /* size of converted field or string */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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74 int width; /* width from format (%8d), or 0 */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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75 char sign; /* sign prefix (' ', '+', '-', or \0) */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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76 char softsign; /* temporary negative sign for floats */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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77 char *digs; /* digits for [diouxX] conversion */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
78 char buf[BUF]; /* space for %c, %[diouxX], %[eEfgG] */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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79
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80 fmt = fmt0;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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81 digs = "0123456789abcdef";
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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82 for (cnt = 0;; ++fmt) {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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83 for (; (ch = *fmt) && ch != '%'; ++cnt, ++fmt)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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84 PUTC(ch);
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85 if (!ch) {
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86 *outp = '\0';
3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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87 return (cnt);
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4c6e7ada647b compressed trace decoder almost fully implemented
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parents: 201
diff changeset
88 }
3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
89
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
90 flags = 0; dprec = 0; width = 0;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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91 prec = -1;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
92 sign = '\0';
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
93
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
94 rflag: switch (*++fmt) {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
95 case ' ':
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
96 /*
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
97 * ``If the space and + flags both appear, the space
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
98 * flag will be ignored.''
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
99 * -- ANSI X3J11
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
100 */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
101 if (!sign)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
102 sign = ' ';
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
103 goto rflag;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
104 case '#':
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
105 flags |= ALT;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
106 goto rflag;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
107 case '*':
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
108 /*
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
109 * ``A negative field width argument is taken as a
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
110 * - flag followed by a positive field width.''
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parents:
diff changeset
111 * -- ANSI X3J11
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parents:
diff changeset
112 * They don't exclude field widths read from args.
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
113 */
858
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diff changeset
114 if ((width = *argp++) >= 0)
3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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115 goto rflag;
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parents:
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116 width = -width;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
117 /* FALLTHROUGH */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
118 case '-':
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
119 flags |= LADJUST;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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120 goto rflag;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
121 case '+':
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
122 sign = '+';
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff changeset
123 goto rflag;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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124 case '.':
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
125 if (*++fmt == '*')
858
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parents: 201
diff changeset
126 n = *argp++;
3
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
127 else {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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128 n = 0;
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parents:
diff changeset
129 while (isascii(*fmt) && isdigit(*fmt))
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
130 n = 10 * n + todigit(*fmt++);
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
131 --fmt;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
132 }
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
133 prec = n < 0 ? -1 : n;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
134 goto rflag;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
135 case '0':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
136 /*
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
137 * ``Note that 0 is taken as a flag, not as the
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
138 * beginning of a field width.''
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
139 * -- ANSI X3J11
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
140 */
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
141 flags |= ZEROPAD;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
142 goto rflag;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
143 case '1': case '2': case '3': case '4':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
144 case '5': case '6': case '7': case '8': case '9':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
145 n = 0;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146 do {
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
147 n = 10 * n + todigit(*fmt);
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
148 } while (isascii(*++fmt) && isdigit(*fmt));
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
149 width = n;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
150 --fmt;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
151 goto rflag;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
152 case 'L':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
153 flags |= LONGDBL;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
154 goto rflag;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
155 case 'h':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
156 flags |= SHORTINT;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
157 goto rflag;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
158 case 'l':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
159 flags |= LONGINT;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
160 goto rflag;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
161 case 'c':
858
4c6e7ada647b compressed trace decoder almost fully implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents: 201
diff changeset
162 *(t = buf) = *argp++;
3
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
163 size = 1;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
164 sign = '\0';
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
165 goto pforw;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
166 case 'D':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
167 flags |= LONGINT;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
168 /*FALLTHROUGH*/
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
169 case 'd':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
170 case 'i':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
171 ARG();
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
172 if ((long)_ulong < 0) {
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
173 _ulong = -_ulong;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
174 sign = '-';
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
175 }
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
176 base = 10;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
177 goto number;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
178 case 'O':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
179 flags |= LONGINT;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
180 /*FALLTHROUGH*/
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
181 case 'o':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
182 ARG();
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
183 base = 8;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
184 goto nosign;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
185 case 'p':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
186 /*
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
187 * ``The argument shall be a pointer to void. The
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
188 * value of the pointer is converted to a sequence
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
189 * of printable characters, in an implementation-
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
190 * defined manner.''
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
191 * -- ANSI X3J11
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
192 */
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
193 /* NOSTRICT */
858
4c6e7ada647b compressed trace decoder almost fully implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents: 201
diff changeset
194 _ulong = *argp++;
3
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
195 base = 16;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
196 goto nosign;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
197 case 's':
858
4c6e7ada647b compressed trace decoder almost fully implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents: 201
diff changeset
198 if (!(t = (char *)*argp++))
3
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
199 t = "(null)";
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
200 if (prec >= 0) {
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
201 /*
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
202 * can't use strlen; can only look for the
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
203 * NUL in the first `prec' characters, and
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
204 * strlen() will go further.
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
205 */
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
206 char *p;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
207
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
208 for (p = t, size = 0; size < prec; p++, size++)
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
209 if (*p == '\0')
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
210 break;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211 } else
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212 size = strlen(t);
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
213 sign = '\0';
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
214 goto pforw;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
215 case 'U':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
216 flags |= LONGINT;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
217 /*FALLTHROUGH*/
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
218 case 'u':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
219 ARG();
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
220 base = 10;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
221 goto nosign;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
222 case 'X':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
223 digs = "0123456789ABCDEF";
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 /* FALLTHROUGH */
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
225 case 'x':
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
226 ARG();
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
227 base = 16;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
228 /* leading 0x/X only if non-zero */
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
229 if (flags & ALT && _ulong != 0)
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
230 flags |= HEXPREFIX;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
231
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
232 /* unsigned conversions */
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233 nosign: sign = '\0';
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
234 /*
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
235 * ``... diouXx conversions ... if a precision is
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
236 * specified, the 0 flag will be ignored.''
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
237 * -- ANSI X3J11
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
238 */
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
239 number: if ((dprec = prec) >= 0)
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
240 flags &= ~ZEROPAD;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
241
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
242 /*
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
243 * ``The result of converting a zero value with an
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
244 * explicit precision of zero is no characters.''
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
245 * -- ANSI X3J11
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
246 */
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
247 t = buf + BUF;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
248 if (_ulong != 0 || prec != 0) {
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
249 do {
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
250 *--t = digs[_ulong % base];
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
251 _ulong /= base;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
252 } while (_ulong);
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
253 digs = "0123456789abcdef";
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
254 if (flags & ALT && base == 8 && *t != '0')
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
255 *--t = '0'; /* octal leading 0 */
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
256 }
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
257 size = buf + BUF - t;
45bf8af5f061 libprintf brought in from older PPC/m68k code, but fucking GCC
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
258
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259 pforw:
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260 /*
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261 * All reasonable formats wind up here. At this point,
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262 * `t' points to a string which (if not flags&LADJUST)
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263 * should be padded out to `width' places. If
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264 * flags&ZEROPAD, it should first be prefixed by any
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265 * sign or other prefix; otherwise, it should be blank
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266 * padded before the prefix is emitted. After any
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267 * left-hand padding and prefixing, emit zeroes
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268 * required by a decimal [diouxX] precision, then print
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269 * the string proper, then emit zeroes required by any
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270 * leftover floating precision; finally, if LADJUST,
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271 * pad with blanks.
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272 */
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273
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274 /*
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275 * compute actual size, so we know how much to pad
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276 * fieldsz excludes decimal prec; realsz includes it
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277 */
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278 fieldsz = size;
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279 if (sign)
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280 fieldsz++;
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281 if (flags & HEXPREFIX)
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282 fieldsz += 2;
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283 realsz = dprec > fieldsz ? dprec : fieldsz;
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284
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285 /* right-adjusting blank padding */
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286 if ((flags & (LADJUST|ZEROPAD)) == 0 && width)
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287 for (n = realsz; n < width; n++)
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288 PUTC(' ');
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289 /* prefix */
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290 if (sign)
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291 PUTC(sign);
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292 if (flags & HEXPREFIX) {
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293 PUTC('0');
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294 PUTC((char)*fmt);
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295 }
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296 /* right-adjusting zero padding */
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297 if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD)
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298 for (n = realsz; n < width; n++)
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299 PUTC('0');
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300 /* leading zeroes from decimal precision */
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301 for (n = fieldsz; n < dprec; n++)
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302 PUTC('0');
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303
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304 for (n = size; --n >= 0; )
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305 PUTC(*t++);
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306 /* left-adjusting padding (always blank) */
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307 if (flags & LADJUST)
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308 for (n = realsz; n < width; n++)
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309 PUTC(' ');
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310 /* finally, adjust cnt */
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311 cnt += width > realsz ? width : realsz;
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312 break;
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313 case '\0': /* "%?" prints ?, unless ? is NULL */
858
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314 *outp = '\0';
3
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315 return (cnt);
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316 default:
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317 PUTC((char)*fmt);
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318 cnt++;
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319 }
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320 }
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321 /* NOTREACHED */
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322 }