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simplify basename

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This commit is contained in:
Connor Lane Smith 2011-05-24 12:56:38 +01:00
parent be6e177f6e
commit 026e63c005
1 changed files with 9 additions and 14 deletions
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23
basename.c
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@ -1,4 +1,5 @@
/* See LICENSE file for copyright and license details. */ /* See LICENSE file for copyright and license details. */
#include <libgen.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -7,24 +8,18 @@
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
char *str = argv[1]; char *s;
size_t n, i = 0; size_t n;
if(argc < 2) if(argc < 2)
eprintf("usage: %s string [suffix]\n", argv[0]); eprintf("usage: %s string [suffix]\n", argv[0]);
if(str[0] != '\0')
for(i = strlen(str)-1; i > 0 && str[i] == '/'; i--)
str[i] = '\0';
if(i == 0 || !(str = strrchr(argv[1], '/')))
str = argv[1];
else
str++;
if(argc > 2 && strlen(str) > strlen(argv[2])) { s = basename(argv[1]);
n = strlen(str) - strlen(argv[2]); if(argc > 2 && strlen(s) > strlen(argv[2])) {
if(!strcmp(&str[n], argv[2])) n = strlen(s) - strlen(argv[2]);
str[n] = '\0'; if(!strcmp(&s[n], argv[2]))
s[n] = '\0';
} }
puts(str); puts(s);
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }