regex: use regexec_buf()

diff --git a/git-compat-util.h b/git-compat-util.h
index 57ff9fb19afc2f9d1d96aeef378c77d2475b92f2..7047d281e56353d79b384cce55d199691ab33842 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -279,9 +279,6 @@ extern char *gitdirname(char *);
 #endif
 #include <openssl/ssl.h>
 #include <openssl/err.h>
-#ifdef NO_HMAC_CTX_CLEANUP
-#define HMAC_CTX_cleanup HMAC_cleanup
-#endif
 #endif
 
 /* On most systems <netdb.h> would have given us this, but
@@ -333,10 +330,6 @@ extern char *gitdirname(char *);
 #define _PATH_DEFPATH "/usr/local/bin:/usr/bin:/bin"
 #endif
 
-#ifndef STRIP_EXTENSION
-#define STRIP_EXTENSION ""
-#endif
-
 #ifndef has_dos_drive_prefix
 static inline int git_has_dos_drive_prefix(const char *path)
 {
@@ -681,7 +674,6 @@ extern int git_vsnprintf(char *str, size_t maxsize,
 #ifdef __GLIBC_PREREQ
 #if __GLIBC_PREREQ(2, 1)
 #define HAVE_STRCHRNUL
-#define HAVE_MEMPCPY
 #endif
 #endif
 
@@ -695,14 +687,6 @@ static inline char *gitstrchrnul(const char *s, int c)
 }
 #endif
 
-#ifndef HAVE_MEMPCPY
-#define mempcpy gitmempcpy
-static inline void *gitmempcpy(void *dest, const void *src, size_t n)
-{
-       return (char *)memcpy(dest, src, n) + n;
-}
-#endif
-
 #ifdef NO_INET_PTON
 int inet_pton(int af, const char *src, void *dst);
 #endif
@@ -728,8 +712,8 @@ static inline size_t st_add(size_t a, size_t b)
                    (uintmax_t)a, (uintmax_t)b);
        return a + b;
 }
-#define st_add3(a,b,c)   st_add((a),st_add((b),(c)))
-#define st_add4(a,b,c,d) st_add((a),st_add3((b),(c),(d)))
+#define st_add3(a,b,c)   st_add(st_add((a),(b)),(c))
+#define st_add4(a,b,c,d) st_add(st_add3((a),(b),(c)),(d))
 
 static inline size_t st_mult(size_t a, size_t b)
 {
@@ -958,6 +942,19 @@ void git_qsort(void *base, size_t nmemb, size_t size,
 #define qsort git_qsort
 #endif
 
+#ifndef REG_STARTEND
+#error "Git requires REG_STARTEND support. Compile with NO_REGEX=NeedsStartEnd"
+#endif
+
+static inline int regexec_buf(const regex_t *preg, const char *buf, size_t size,
+                             size_t nmatch, regmatch_t pmatch[], int eflags)
+{
+       assert(nmatch > 0 && pmatch);
+       pmatch[0].rm_so = 0;
+       pmatch[0].rm_eo = size;
+       return regexec(preg, buf, nmatch, pmatch, eflags | REG_STARTEND);
+}
+
 #ifndef DIR_HAS_BSD_GROUP_SEMANTICS
 # define FORCE_DIR_SET_GID S_ISGID
 #else