48 lines
677 B
C
48 lines
677 B
C
/* basename.c */
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#include <libgen.h>
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#include <stdio.h>
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#include <string.h>
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/* basename */
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static int _basename(char * arg, char * suf)
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{
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char * str;
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str = basename(arg);
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if(suf != NULL)
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{
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int slen;
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int alen;
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slen = strlen(str);
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alen = strlen(suf);
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if(alen < slen && strcmp(suf, &str[slen - alen]) == 0)
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str[slen - alen] = '\0';
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}
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printf("%s\n", str);
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return 0;
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}
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/* usage */
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static int _usage(void)
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{
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fprintf(stderr, "%s", "Usage: basename string [suffix]\n");
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return 1;
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}
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/* main */
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int main(int argc, char * argv[])
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{
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if(argc == 2)
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return _basename(argv[1], NULL);
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if(argc == 3)
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return _basename(argv[1], argv[2]);
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return _usage();
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}
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