Changeset 2725 in MondoRescue for branches/2.2.9/mindi-busybox/libbb/skip_whitespace.c
- Timestamp:
- Feb 25, 2011, 9:26:54 PM (13 years ago)
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- 1 edited
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branches/2.2.9/mindi-busybox/libbb/skip_whitespace.c
r1765 r2725 5 5 * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> 6 6 * 7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.7 * Licensed under GPLv2 or later, see file LICENSE in this source tree. 8 8 */ 9 9 10 10 #include "libbb.h" 11 11 12 char *skip_whitespace(const char *s)12 char* FAST_FUNC skip_whitespace(const char *s) 13 13 { 14 /* NB: isspace('0') returns 0 */ 15 while (isspace(*s)) ++s; 14 /* In POSIX/C locale (the only locale we care about: do we REALLY want 15 * to allow Unicode whitespace in, say, .conf files? nuts!) 16 * isspace is only these chars: "\t\n\v\f\r" and space. 17 * "\t\n\v\f\r" happen to have ASCII codes 9,10,11,12,13. 18 * Use that. 19 */ 20 while (*s == ' ' || (unsigned char)(*s - 9) <= (13 - 9)) 21 s++; 16 22 17 23 return (char *) s; 18 24 } 19 25 20 char *skip_non_whitespace(const char *s)26 char* FAST_FUNC skip_non_whitespace(const char *s) 21 27 { 22 while (*s && !isspace(*s)) ++s; 28 while (*s != '\0' && *s != ' ' && (unsigned char)(*s - 9) > (13 - 9)) 29 s++; 23 30 24 31 return (char *) s; 25 32 } 33 34 char* FAST_FUNC skip_dev_pfx(const char *tty_name) 35 { 36 if (strncmp(tty_name, "/dev/", 5) == 0) 37 tty_name += 5; 38 return (char*)tty_name; 39 }
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