FreeCalypso > hg > fc-tourmaline
annotate helpers/makeline.c @ 281:a75eefbf8be4
Phone boot with PWON: weed out short button presses
Every standard end user phone has a design provision, most naturally
implemented in firmware, whereby the PWON button effects a boot only
if it is held down long enough - short presses of this PWON button
are detected, assumed to be spurious and cause the fw to power back off
instead of proceeding with boot. The present change introduces this
standard function in FreeCalypso.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 24 Sep 2021 02:03:08 +0000 |
parents | 775dba605f33 |
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rev | line source |
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1 /* |
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2 * This helper utility for the FreeCalypso Tourmaline build system |
9
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3 * emits potentially long generated Makefile lines, breaking them into |
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4 * multiple lines with backslashes. |
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5 */ |
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6 |
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7 #include <stdio.h> |
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8 #include <stdlib.h> |
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9 #include <string.h> |
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10 #include <strings.h> |
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11 |
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12 int is_cmd, equ_or_colon, extra_indent; |
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13 int linelen; |
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14 |
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15 main(argc, argv) |
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16 char **argv; |
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17 { |
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18 char **ap; |
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19 |
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20 if (argc < 4) { |
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21 fprintf(stderr, "error: too few arguments\n", argv[0]); |
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22 exit(1); |
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23 } |
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24 if (!strcmp(argv[1], "def")) { |
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25 is_cmd = 0; |
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26 equ_or_colon = '='; |
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27 extra_indent = 0; |
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28 } else if (!strcmp(argv[1], "dep")) { |
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29 is_cmd = 0; |
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30 equ_or_colon = ':'; |
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31 extra_indent = 1; |
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32 } else if (!strcmp(argv[1], "cmd")) { |
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33 is_cmd = 1; |
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34 extra_indent = 1; |
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35 } else { |
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36 fprintf(stderr, "error: line type \"%s\" not known\n", argv[1]); |
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37 exit(1); |
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38 } |
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39 if (is_cmd) { |
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40 putchar('\t'); |
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41 linelen = 8; |
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42 } else |
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43 linelen = 0; |
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44 fputs(argv[2], stdout); |
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45 linelen += strlen(argv[2]); |
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46 if (is_cmd) { |
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47 putchar(' '); |
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48 linelen++; |
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49 } else { |
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50 putchar(equ_or_colon); |
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51 linelen++; |
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52 putchar('\t'); |
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53 do |
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54 linelen++; |
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55 while (linelen & 7); |
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56 } |
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57 fputs(argv[3], stdout); |
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58 linelen += strlen(argv[3]); |
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59 for (ap = argv + 4; *ap; ap++) { |
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60 if (linelen + 1 + strlen(*ap) <= 78) { |
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61 putchar(' '); |
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62 linelen++; |
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63 } else { |
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64 fputs(" \\\n\t", stdout); |
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65 linelen = 8; |
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66 if (extra_indent) { |
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67 fputs(" ", stdout); |
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68 linelen += 4; |
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69 } |
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70 } |
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71 fputs(*ap, stdout); |
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72 linelen += strlen(*ap); |
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73 } |
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74 putchar('\n'); |
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75 exit(0); |
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76 } |