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rgbasm: return EX_USAGE for option errors

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This commit is contained in:
bentley
2010-01-15 19:42:17 -07:00
parent 5694d6907c
commit 8406fd84d6
1 changed files with 7 additions and 6 deletions
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13
src/asm/main.c
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@@ -10,6 +10,7 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <sysexits.h>
#include <time.h> #include <time.h>
#include <unistd.h> #include <unistd.h>
@@ -136,7 +137,7 @@ opt_Parse(char *s)
newopt.gbgfx[2] = s[3]; newopt.gbgfx[2] = s[3];
newopt.gbgfx[3] = s[4]; newopt.gbgfx[3] = s[4];
} else { } else {
errx(5, "Must specify exactly 4 characters for option 'g'"); errx(EX_USAGE, "Must specify exactly 4 characters for option 'g'");
} }
break; break;
case 'b': case 'b':
@@ -242,7 +243,7 @@ PrintUsage(void)
printf printf
("\t-z<hx>\t\tSet the byte value (hex format) used for uninitialised\n" ("\t-z<hx>\t\tSet the byte value (hex format) used for uninitialised\n"
"\t\t\tdata (default is 0x00)\n"); "\t\t\tdata (default is 0x00)\n");
exit(0); exit(EX_USAGE);
} }
/* /*
* RGBAsm - MAIN.C * RGBAsm - MAIN.C
@@ -285,7 +286,7 @@ main(int argc, char *argv[])
newopt.binary[0] = optarg[1]; newopt.binary[0] = optarg[1];
newopt.binary[1] = optarg[2]; newopt.binary[1] = optarg[2];
} else { } else {
errx(5, "Must specify exactly 2 characters for option 'b'"); errx(EX_USAGE, "Must specify exactly 2 characters for option 'b'");
} }
case 'g': case 'g':
if (strlen(optarg) == 4) { if (strlen(optarg) == 4) {
@@ -294,7 +295,7 @@ main(int argc, char *argv[])
newopt.gbgfx[2] = optarg[3]; newopt.gbgfx[2] = optarg[3];
newopt.gbgfx[3] = optarg[4]; newopt.gbgfx[3] = optarg[4];
} else { } else {
errx(5, "Must specify exactly 4 characters for option 'g'"); errx(EX_USAGE, "Must specify exactly 4 characters for option 'g'");
} }
break; break;
case 'i': case 'i':
@@ -306,9 +307,9 @@ main(int argc, char *argv[])
case 'z': case 'z':
newopt.fillchar = strtoul(optarg, &ep, 0); newopt.fillchar = strtoul(optarg, &ep, 0);
if (optarg[0] == '\0' || *ep != '\0') if (optarg[0] == '\0' || *ep != '\0')
errx(5, "Invalid argument for option 'z'"); errx(EX_USAGE, "Invalid argument for option 'z'");
if (newopt.fillchar < 0 || newopt.fillchar > 0xFF) if (newopt.fillchar < 0 || newopt.fillchar > 0xFF)
errx(5, "Argument for option 'z' must be between 0 and 0xFF"); errx(EX_USAGE, "Argument for option 'z' must be between 0 and 0xFF");
break; break;
default: default:
PrintUsage(); PrintUsage();