compat/snprintf.c: handle snprintf's that always return the # chars transmitted

diff --git a/git-compat-util.h b/git-compat-util.h
index 545df5924247c9d4ffe700db6c158715561f6a62..cf89cdf4598b3796724a85aa707f740245155cdc 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -110,6 +110,14 @@
 #define PRIuMAX "llu"
 #endif
 
+#ifndef PRIu32
+#define PRIu32 "u"
+#endif
+
+#ifndef PRIx32
+#define PRIx32 "x"
+#endif
+
 #ifndef PATH_SEP
 #define PATH_SEP ':'
 #endif
@@ -149,6 +157,12 @@ extern void set_warn_routine(void (*routine)(const char *warn, va_list params));
 extern int prefixcmp(const char *str, const char *prefix);
 extern time_t tm_to_time_t(const struct tm *tm);
 
+static inline const char *skip_prefix(const char *str, const char *prefix)
+{
+       size_t len = strlen(prefix);
+       return strncmp(str, prefix, len) ? NULL : str + len;
+}
+
 #ifdef NO_MMAP
 
 #ifndef PROT_READ