sequencer: plug memory leaks for the option values

diff --git a/git-compat-util.h b/git-compat-util.h
index 37cce0746f460ae6c839e2556c526e0fd41cdf65..0ce2cdfb98d54e35881a94e9037e7380ec5b821c 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -801,6 +801,14 @@ extern FILE *fopen_for_writing(const char *path);
 #define ALLOC_ARRAY(x, alloc) (x) = xmalloc(st_mult(sizeof(*(x)), (alloc)))
 #define REALLOC_ARRAY(x, alloc) (x) = xrealloc((x), st_mult(sizeof(*(x)), (alloc)))
 
+#define COPY_ARRAY(dst, src, n) copy_array((dst), (src), (n), sizeof(*(dst)) + \
+       BUILD_ASSERT_OR_ZERO(sizeof(*(dst)) == sizeof(*(src))))
+static inline void copy_array(void *dst, const void *src, size_t n, size_t size)
+{
+       if (n)
+               memcpy(dst, src, st_mult(size, n));
+}
+
 /*
  * These functions help you allocate structs with flex arrays, and copy
  * the data directly into the array. For example, if you had:
@@ -977,6 +985,19 @@ 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