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-rw-r--r--git-compat-util.h62
1 files changed, 49 insertions, 13 deletions
diff --git a/git-compat-util.h b/git-compat-util.h
index db89ba7748..87237b092b 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -436,10 +436,14 @@ static inline int const_error(void)
return -1;
}
#define error(...) (error(__VA_ARGS__), const_error())
+#define error_errno(...) (error_errno(__VA_ARGS__), const_error())
#endif
extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params));
extern void set_error_routine(void (*routine)(const char *err, va_list params));
+extern void (*get_error_routine(void))(const char *err, va_list params);
+extern void set_warn_routine(void (*routine)(const char *warn, va_list params));
+extern void (*get_warn_routine(void))(const char *warn, va_list params);
extern void set_die_is_recursing_routine(int (*routine)(void));
extern void set_error_handle(FILE *);
@@ -663,6 +667,14 @@ void *gitmemmem(const void *haystack, size_t haystacklen,
const void *needle, size_t needlelen);
#endif
+#ifdef OVERRIDE_STRDUP
+#ifdef strdup
+#undef strdup
+#endif
+#define strdup gitstrdup
+char *gitstrdup(const char *s);
+#endif
+
#ifdef NO_GETPAGESIZE
#define getpagesize() sysconf(_SC_PAGESIZE)
#endif
@@ -789,6 +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:
@@ -831,11 +851,14 @@ extern FILE *fopen_for_writing(const char *path);
* times, and it must be assignable as an lvalue.
*/
#define FLEX_ALLOC_MEM(x, flexname, buf, len) do { \
- (x) = NULL; /* silence -Wuninitialized for offset calculation */ \
- (x) = xalloc_flex(sizeof(*(x)), (char *)(&((x)->flexname)) - (char *)(x), (buf), (len)); \
+ size_t flex_array_len_ = (len); \
+ (x) = xcalloc(1, st_add3(sizeof(*(x)), flex_array_len_, 1)); \
+ memcpy((void *)(x)->flexname, (buf), flex_array_len_); \
} while (0)
#define FLEXPTR_ALLOC_MEM(x, ptrname, buf, len) do { \
- (x) = xalloc_flex(sizeof(*(x)), sizeof(*(x)), (buf), (len)); \
+ size_t flex_array_len_ = (len); \
+ (x) = xcalloc(1, st_add3(sizeof(*(x)), flex_array_len_, 1)); \
+ memcpy((x) + 1, (buf), flex_array_len_); \
(x)->ptrname = (void *)((x)+1); \
} while(0)
#define FLEX_ALLOC_STR(x, flexname, str) \
@@ -843,14 +866,6 @@ extern FILE *fopen_for_writing(const char *path);
#define FLEXPTR_ALLOC_STR(x, ptrname, str) \
FLEXPTR_ALLOC_MEM((x), ptrname, (str), strlen(str))
-static inline void *xalloc_flex(size_t base_len, size_t offset,
- const void *src, size_t src_len)
-{
- unsigned char *ret = xcalloc(1, st_add3(base_len, src_len, 1));
- memcpy(ret + offset, src, src_len);
- return ret;
-}
-
static inline char *xstrdup_or_null(const char *str)
{
return str ? xstrdup(str) : NULL;
@@ -965,6 +980,27 @@ void git_qsort(void *base, size_t nmemb, size_t size,
#define qsort git_qsort
#endif
+#define QSORT(base, n, compar) sane_qsort((base), (n), sizeof(*(base)), compar)
+static inline void sane_qsort(void *base, size_t nmemb, size_t size,
+ int(*compar)(const void *, const void *))
+{
+ if (nmemb > 1)
+ qsort(base, nmemb, size, compar);
+}
+
+#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
@@ -1065,6 +1101,6 @@ struct tm *git_gmtime_r(const time_t *, struct tm *);
#define getc_unlocked(fh) getc(fh)
#endif
-#endif
-
extern int cmd_main(int, const char **);
+
+#endif