* grub-core/kern/misc.c (grub_strstr): Moved from here ...
* include/grub/misc.h (grub_strstr): ... here. Make static and inline.
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3 changed files with 52 additions and 47 deletions
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@ -312,52 +312,6 @@ grub_strrchr (const char *s, int c)
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return p;
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}
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/* Copied from gnulib.
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Written by Bruno Haible <bruno@clisp.org>, 2005. */
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char *
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grub_strstr (const char *haystack, const char *needle)
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{
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/* Be careful not to look at the entire extent of haystack or needle
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until needed. This is useful because of these two cases:
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- haystack may be very long, and a match of needle found early,
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- needle may be very long, and not even a short initial segment of
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needle may be found in haystack. */
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if (*needle != '\0')
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{
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/* Speed up the following searches of needle by caching its first
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character. */
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char b = *needle++;
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for (;; haystack++)
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{
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if (*haystack == '\0')
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/* No match. */
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return NULL;
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if (*haystack == b)
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/* The first character matches. */
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{
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const char *rhaystack = haystack + 1;
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const char *rneedle = needle;
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for (;; rhaystack++, rneedle++)
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{
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if (*rneedle == '\0')
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/* Found a match. */
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return (char *) haystack;
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if (*rhaystack == '\0')
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/* No match. */
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return NULL;
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if (*rhaystack != *rneedle)
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/* Nothing in this round. */
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break;
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}
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}
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}
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}
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else
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return (char *) haystack;
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}
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int
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grub_strword (const char *haystack, const char *needle)
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{
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