projects / apple / system_cmds.git / blame
| Commit | Line | Data |
|---|---|---|
| 2fc1e207 A |
1 | #ifndef lint |
| 2 | #ifndef NOID | |
| 3 | static const char elsieid[] = "@(#)scheck.c 8.15"; | |
| 4 | #endif /* !defined lint */ | |
| 5 | #endif /* !defined NOID */ | |
| 6 | ||
| 7 | #ifndef lint | |
| 8 | static const char rcsid[] = | |
| 9 | "$FreeBSD: src/usr.sbin/zic/scheck.c,v 1.7 2001/07/18 11:27:04 dd Exp $"; | |
| 10 | #endif /* not lint */ | |
| 1815bff5 A |
11 | |
| 12 | /*LINTLIBRARY*/ | |
| 13 | ||
| 14 | #include "private.h" | |
| 15 | ||
| 1815bff5 A |
16 | char * |
| 17 | scheck(string, format) | |
| 18 | const char * const string; | |
| 2fc1e207 | 19 | const char * const format; |
| 1815bff5 A |
20 | { |
| 21 | register char * fbuf; | |
| 22 | register const char * fp; | |
| 23 | register char * tp; | |
| 24 | register int c; | |
| 25 | register char * result; | |
| 26 | char dummy; | |
| 27 | static char nada; | |
| 28 | ||
| 29 | result = &nada; | |
| 30 | if (string == NULL || format == NULL) | |
| 31 | return result; | |
| 32 | fbuf = imalloc((int) (2 * strlen(format) + 4)); | |
| 33 | if (fbuf == NULL) | |
| 34 | return result; | |
| 35 | fp = format; | |
| 36 | tp = fbuf; | |
| 37 | while ((*tp++ = c = *fp++) != '\0') { | |
| 38 | if (c != '%') | |
| 39 | continue; | |
| 40 | if (*fp == '%') { | |
| 41 | *tp++ = *fp++; | |
| 42 | continue; | |
| 43 | } | |
| 44 | *tp++ = '*'; | |
| 45 | if (*fp == '*') | |
| 46 | ++fp; | |
| 47 | while (is_digit(*fp)) | |
| 48 | *tp++ = *fp++; | |
| 49 | if (*fp == 'l' || *fp == 'h') | |
| 50 | *tp++ = *fp++; | |
| 51 | else if (*fp == '[') | |
| 52 | do *tp++ = *fp++; | |
| 53 | while (*fp != '\0' && *fp != ']'); | |
| 54 | if ((*tp++ = *fp++) == '\0') | |
| 55 | break; | |
| 56 | } | |
| 57 | *(tp - 1) = '%'; | |
| 58 | *tp++ = 'c'; | |
| 59 | *tp = '\0'; | |
| 60 | if (sscanf(string, fbuf, &dummy) != 1) | |
| 61 | result = (char *) format; | |
| 62 | ifree(fbuf); | |
| 63 | return result; | |
| 64 | } |