mirror of git://git.gnupg.org/gnupg.git
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
#include <config.h>
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#include <string.h>
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/* code taken from glibc-2.2.1/sysdeps/generic/strsep.c */
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char *
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strsep (char **stringp, const char *delim)
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{
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char *begin, *end;
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begin = *stringp;
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if (begin == NULL)
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return NULL;
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/* A frequent case is when the delimiter string contains only one
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character. Here we don't need to call the expensive `strpbrk'
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function and instead work using `strchr'. */
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if (delim[0] == '\0' || delim[1] == '\0')
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{
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char ch = delim[0];
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if (ch == '\0')
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end = NULL;
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else
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{
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if (*begin == ch)
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end = begin;
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else if (*begin == '\0')
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end = NULL;
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else
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end = strchr (begin + 1, ch);
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}
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}
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else
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/* Find the end of the token. */
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end = strpbrk (begin, delim);
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if (end)
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{
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/* Terminate the token and set *STRINGP past NUL character. */
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*end++ = '\0';
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*stringp = end;
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}
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else
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/* No more delimiters; this is the last token. */
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*stringp = NULL;
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return begin;
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}
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