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Annotation of coherent/g/usr/lib/misc/trim.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Remove trailing whitespace spaces from a line.
                      3:  */
                      4: #include <ctype.h>
                      5: #include <stdio.h>
                      6: extern char *strchr();
                      7: 
                      8: char *
                      9: trim(s)
                     10: char *s;
                     11: {
                     12:        register char *p;
                     13: 
                     14:        if (NULL == (p = strchr(s, '\0')))
                     15:                return (NULL);
                     16:        for (--p; (p > s) && isascii(*p) && isspace(*p);)
                     17:                *p-- = '\0';
                     18:        return (s);
                     19: }
                     20: #ifdef TEST
                     21: main()
                     22: {
                     23:        char buf[80];
                     24: 
                     25:        while (NULL != gets(buf))
                     26:                printf("'%s'\n", trim(buf));
                     27: }
                     28: #endif

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