Portable alloca for Git

diff --git a/git-compat-util.h b/git-compat-util.h
index 9e202dde78efe33b33c05dfbbbec60b05d642ea8..63b2b3bb47c79f858871bb44f88251926267c5ef 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -350,7 +350,9 @@ extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_lis
 extern void set_error_routine(void (*routine)(const char *err, va_list params));
 extern void set_die_is_recursing_routine(int (*routine)(void));
 
+extern int starts_with(const char *str, const char *prefix);
 extern int prefixcmp(const char *str, const char *prefix);
+extern int ends_with(const char *str, const char *suffix);
 extern int suffixcmp(const char *str, const char *suffix);
 
 static inline const char *skip_prefix(const char *str, const char *prefix)
@@ -524,6 +526,14 @@ extern void release_pack_memory(size_t);
 typedef void (*try_to_free_t)(size_t);
 extern try_to_free_t set_try_to_free_routine(try_to_free_t);
 
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+# define xalloca(size)      (alloca(size))
+# define xalloca_free(p)    do {} while (0)
+#else
+# define xalloca(size)      (xmalloc(size))
+# define xalloca_free(p)    (free(p))
+#endif
 extern char *xstrdup(const char *str);
 extern void *xmalloc(size_t size);
 extern void *xmallocz(size_t size);