DeforaOS/C99
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Completing usage case

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This commit is contained in:
Pierre Pronchery 2006-10-22 13:25:31 +00:00
parent c1170fcb7d
commit 86f0da1e3a
1 changed files with 44 additions and 1 deletions
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45
src/c99.c
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@ -15,6 +15,45 @@ typedef int Prefs;
#define PREFS_s 0x8
/* c99 */
static int _c99_error(char const * message, int ret);
static int _c99_do(Prefs * prefs, char const * outfile, FILE * outfp,
char * infile);
static int _c99(Prefs * prefs, char const * outfile, int filec, char * filev[])
{
FILE * fp;
int ret = 0;
int i;
if(outfile != NULL && (fp = fopen(outfile, "w")) == NULL)
return _c99_error(outfile, 1);
for(i = 0; i < filec; i++)
ret |= _c99_do(prefs, outfile, fp, filev[i]);
if(fp != NULL)
fclose(fp);
return ret;
}
static int _c99_error(char const * message, int ret)
{
fprintf(stderr, "%s", "c99: ");
perror(message);
return ret;
}
static int _c99_do(Prefs * prefs, char const * outfile, FILE * outfp,
char * infile)
{
FILE * infp;
if((infp = fopen(infile, "r")) == NULL)
return _c99_error(infile, 1);
/* FIXME implement */
fclose(infp);
return 0;
}
/* usage */
static int _usage(void)
{
@ -52,5 +91,9 @@ int main(int argc, char * argv[])
default:
return _usage();
}
return 0;
if(optind == argc)
return _usage();
if(prefs & PREFS_c && outfile != NULL && optind+1 != argc)
return _usage();
return _c99(&prefs, outfile, argc - optind, &argv[optind]) == 0 ? 0 : 2;
}