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psycmatch() as a standalone command, being reworked into a function now

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psyc://psyced.org/~lynX 2011-04-16 13:13:57 +02:00
parent 4da0a5b53a
commit 51b50c32b4
1 changed files with 66 additions and 0 deletions
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src/match.c Normal file
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#include <stdio.h>
#include <string.h>
int main(int argc, char **argv) {
char *sho, *lon, *s, *l, *se, *le;
int slen, llen;
if (argc != 3) {
printf("Usage: %s <short> <long>\n\nExample: %s _failure_delivery _failure_unsuccessful_delivery_death\n", argv[0], argv[0]);
return -1;
}
sho = argv[1];
lon = argv[2];
if (!(slen = strlen(sho)) || *sho != '_' ||
!(llen = strlen(lon)) || *lon != '_') {
printf("Please use long format keywords (compact ones would be faster, I know..)\n");
return -2;
}
if (slen > llen) {
printf("The long string is shorter than the short one.\n");
return -3;
}
if (slen == llen) {
if (!strcmp(sho, lon)) {
printf("Identical arguments.\n");
return 0;
}
printf("Same length but different.\nNo match, but they could be related or have a common type.\n");
return -4;
}
printf("*start short '%s' long '%s'\n", sho, lon);
se = sho+slen;
le = lon+llen;
*se = *le = '_';
sho++; lon++;
while(s = strchr(sho, '_')) {
*s = 0;
printf("sho goes '%c' and lon goes '%c'\n", *sho, *lon);
while(l = strchr(lon, '_')) {
*l = 0;
printf("strcmp short '%s' long '%s'\n", sho, lon);
if (!strcmp(sho, lon)) goto foundone;
if (l == le) goto failed;
*l = '_';
lon = ++l;
}
goto failed;
foundone:
printf("found: short '%s' long '%s'\n", sho, lon);
if (s == se) goto success;
*l = *s = '_';
sho = ++s;
lon = ++l;
}
success:
printf("Yes, they match!\n");
return 0;
failed:
printf("No, they don't!\n");
return 1;
}