FreeCalypso > hg > fc-selenite

annotate src/libsys/sprintf/vspcore.c @ 107:b882091ebb68

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gprscomp.c: DMEM_PARTITION_1_SIZE bumped from 1600 to 1700 for gcc These large DMEM partitions are used for T_CCD_Globs structure allocations by the GRLC and GRR entities, and this structure contains a jmp_buf for setjmp/longjmp. Our gcc/newlib version of jmp_buf is bigger than TI's TMS470, and the whole structure is now 1636 bytes instead of 1584.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 23 Jul 2018 19:45:50 +0000
parents 425ab6d987f3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
86
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1 /*
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2 * Embedded [v]sprintf() implementation by Mychaela Falconia,
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3 * loosely based on the 4.3BSD-Tahoe version.
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4 *
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5 * This module contains the core of the vsprintf() function, which may
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6 * be either used directly by user code or called by the sprintf()
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7 * trivial wrapper.
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8 */
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9
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10 #include <sys/types.h>
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11 #include <ctype.h>
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12 #include <stdarg.h>
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13 #include "defs.h"
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14
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15 extern u_char * _sprintf_integer(u_char *op, int width, int flags, int sign,
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16 unsigned number, int base, int prec);
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17 extern u_char * _sprintf_percent_f(u_char *op, int width, int flags, int sign,
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18 double number, int prec);
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19
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20 u_char *
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21 _sprintf_field(u_char *op, int width, int flags, int sign,
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22 u_char *body, int size, int dprec, int fpprec)
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23 {
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24 int fieldsz; /* field size expanded by sign, etc */
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25 int realsz; /* field size expanded by decimal precision */
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26 int n; /* scratch */
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27
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28 /*
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29 * All reasonable formats wind up here. At this point,
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30 * `body' points to a string which (if not flags&LADJUST)
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31 * should be padded out to `width' places. If
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32 * flags&ZEROPAD, it should first be prefixed by any
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33 * sign or other prefix; otherwise, it should be blank
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34 * padded before the prefix is emitted. After any
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35 * left-hand padding and prefixing, emit zeroes
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36 * required by a decimal [diouxX] precision, then print
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37 * the string proper, then emit zeroes required by any
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38 * leftover floating precision; finally, if LADJUST,
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39 * pad with blanks.
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40 */
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41
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42 /*
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43 * compute actual size, so we know how much to pad
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44 * fieldsz excludes decimal prec; realsz includes it
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45 */
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46 fieldsz = size + fpprec;
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47 if (sign)
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48 fieldsz++;
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49 if (flags & HEXPREFIX)
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50 fieldsz += 2;
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51 realsz = dprec > fieldsz ? dprec : fieldsz;
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52
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53 /* right-adjusting blank padding */
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54 if ((flags & (LADJUST|ZEROPAD)) == 0 && width)
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55 for (n = realsz; n < width; n++)
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56 *op++ = ' ';
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57 /* prefix */
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58 if (sign)
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59 *op++ = sign;
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60 if (flags & HEXPREFIX) {
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61 *op++ = '0';
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62 *op++ = (flags & UPPERCASE) ? 'X' : 'x';
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63 }
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64 /* right-adjusting zero padding */
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65 if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD)
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66 for (n = realsz; n < width; n++)
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67 *op++ = '0';
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68 /* leading zeroes from decimal precision */
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69 for (n = fieldsz; n < dprec; n++)
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70 *op++ = '0';
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71
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72 /* the string or number proper */
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73 bcopy(body, op, size);
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74 op += size;
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75 /* trailing f.p. zeroes */
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76 while (--fpprec >= 0)
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77 *op++ = '0';
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78 /* left-adjusting padding (always blank) */
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79 if (flags & LADJUST)
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80 for (n = realsz; n < width; n++)
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81 *op++ = ' ';
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82
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83 return(op);
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84 }
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85
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86 int
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87 vsprintf(buf0, fmt0, argp)
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88 u_char *buf0, *fmt0;
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89 va_list argp;
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90 {
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91 u_char *op; /* output buffer working ptr */
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Mychaela Falconia <falcon@freecalypso.org>
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92 u_char *fmt; /* format string working ptr */
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93 int ch; /* character from fmt */
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94 int n; /* scratch integer */
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95 char *t; /* scratch pointer */
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96 int flags; /* flags as above */
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97 int prec; /* precision from format (%.3d), or -1 */
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98 int width; /* width from format (%8d), or 0 */
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99 char sign; /* sign prefix (' ', '+', '-', or \0) */
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100 unsigned un; /* unsigned number for conversion */
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101
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102 op = buf0;
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103 for (fmt = fmt0; ; ++fmt) {
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104 for (; (ch = *fmt) && ch != '%'; ++fmt)
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105 *op++ = ch;
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106 if (!ch) {
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107 out: *op = '\0';
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108 return (op - buf0);
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109 }
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110
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111 flags = 0; width = 0;
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112 prec = -1;
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113 sign = '\0';
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114
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115 rflag: switch (*++fmt) {
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116 case ' ':
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117 /*
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118 * ``If the space and + flags both appear, the space
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119 * flag will be ignored.''
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120 * -- ANSI X3J11
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121 */
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122 if (!sign)
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123 sign = ' ';
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124 goto rflag;
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125 case '#':
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126 flags |= ALT;
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127 goto rflag;
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128 case '*':
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129 /*
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130 * ``A negative field width argument is taken as a
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131 * - flag followed by a positive field width.''
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132 * -- ANSI X3J11
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133 * They don't exclude field widths read from args.
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134 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 if ((width = va_arg(argp, int)) >= 0)
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 goto rflag;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 width = -width;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 /* FALLTHROUGH */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 case '-':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 flags |= LADJUST;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 goto rflag;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 case '+':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 sign = '+';
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 goto rflag;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 case '.':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 if (*++fmt == '*')
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 n = va_arg(argp, int);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 else {
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 n = 0;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 while (isascii(*fmt) && isdigit(*fmt))
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 n = 10 * n + todigit(*fmt++);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 --fmt;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 }
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 prec = n < 0 ? -1 : n;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 goto rflag;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 case '0':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 /*
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 * ``Note that 0 is taken as a flag, not as the
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 * beginning of a field width.''
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 * -- ANSI X3J11
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 flags |= ZEROPAD;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 goto rflag;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 case '1': case '2': case '3': case '4':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 case '5': case '6': case '7': case '8': case '9':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 n = 0;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 do {
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 n = 10 * n + todigit(*fmt);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 } while (isascii(*++fmt) && isdigit(*fmt));
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 width = n;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 --fmt;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 goto rflag;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 case 'L':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 flags |= LONGDBL;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 goto rflag;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 case 'h':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 flags |= SHORTINT;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 goto rflag;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 case 'l':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 flags |= LONGINT;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 goto rflag;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 case 'c':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 /*
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 * XXX reusing a variable of type char
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 * for an unrelated purpose
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 sign = (char) va_arg(argp, int);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 op = _sprintf_field(op, width, flags, 0, &sign, 1,
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 0, 0);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 break;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 case 'D':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 flags |= LONGINT;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 /*FALLTHROUGH*/
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 case 'd':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 case 'i':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 n = va_arg(argp, int);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 if (n < 0) {
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 un = -n;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 sign = '-';
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 } else
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 un = n;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 op = _sprintf_integer(op, width, flags, sign, un, 10,
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 prec);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 break;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 case 'f':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 op = _sprintf_percent_f(op, width, flags, sign,
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 va_arg(argp, double), prec);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 break;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 case 'n':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 n = op - buf0;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 if (flags & LONGINT)
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 *va_arg(argp, long *) = n;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 else if (flags & SHORTINT)
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 *va_arg(argp, short *) = n;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 else
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 *va_arg(argp, int *) = n;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 break;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 case 'O':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 flags |= LONGINT;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 /*FALLTHROUGH*/
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 case 'o':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 un = va_arg(argp, unsigned);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 op = _sprintf_integer(op, width, flags, 0, un, 8, prec);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 break;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 case 'p':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 /*
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 * ``The argument shall be a pointer to void. The
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 * value of the pointer is converted to a sequence
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 * of printable characters, in an implementation-
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 * defined manner.''
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 * -- ANSI X3J11
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 /* NOSTRICT */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 un = (unsigned)va_arg(argp, void *);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 op = _sprintf_integer(op, width, flags | HEXPREFIX, 0,
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 un, 16, prec);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 break;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 case 's':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 if (!(t = va_arg(argp, char *)))
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 t = "(null)";
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 if (prec >= 0) {
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 /*
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 * can't use strlen; can only look for the
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 * NUL in the first `prec' characters, and
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 * strlen() will go further.
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 char *p, *memchr();
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 if (p = memchr(t, 0, prec)) {
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 n = p - t;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 if (n > prec)
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 n = prec;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 } else
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 n = prec;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 } else
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 n = strlen(t);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 op = _sprintf_field(op, width, flags, 0, t, n, 0, 0);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 break;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 case 'U':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 flags |= LONGINT;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 /*FALLTHROUGH*/
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 case 'u':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 un = va_arg(argp, unsigned);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 op = _sprintf_integer(op, width, flags, 0, un, 10,
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 prec);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 break;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 case 'X':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 flags |= UPPERCASE;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 /* FALLTHROUGH */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 case 'x':
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 un = va_arg(argp, unsigned);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272 /* leading 0x/X only if non-zero */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 if (flags & ALT && un != 0)
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 flags |= HEXPREFIX;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 op = _sprintf_integer(op, width, flags, 0, un, 16,
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 prec);
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 break;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 case '\0': /* "%?" prints ?, unless ? is NULL */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 goto out;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 default:
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 *op++ = *fmt;
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 }
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 }
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 /* NOTREACHED */
425ab6d987f3 src/libsys: pieced together from Citrine
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 }