consolidate two copies of new style object header parsing code.

diff --git a/git-compat-util.h b/git-compat-util.h
index c353b276f0464714a4c0220b20df6318a374e28e..91f2b0d3f0cf9d8539e7e09adc057dc337caae21 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -1,6 +1,16 @@
 #ifndef GIT_COMPAT_UTIL_H
 #define GIT_COMPAT_UTIL_H
 
+#ifndef FLEX_ARRAY
+#if defined(__GNUC__) && (__GNUC__ < 3)
+#define FLEX_ARRAY 0
+#else
+#define FLEX_ARRAY /* empty */
+#endif
+#endif
+
+#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
+
 #include <unistd.h>
 #include <stdio.h>
 #include <sys/stat.h>
@@ -30,6 +40,10 @@ extern void usage(const char *err) NORETURN;
 extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
 extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
 
+extern void set_usage_routine(void (*routine)(const char *err) NORETURN);
+extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
+extern void set_error_routine(void (*routine)(const char *err, va_list params));
+
 #ifdef NO_MMAP
 
 #ifndef PROT_READ
@@ -55,11 +69,21 @@ extern int gitfakemunmap(void *start, size_t length);
 extern int gitsetenv(const char *, const char *, int);
 #endif
 
+#ifdef NO_UNSETENV
+#define unsetenv gitunsetenv
+extern void gitunsetenv(const char *);
+#endif
+
 #ifdef NO_STRCASESTR
 #define strcasestr gitstrcasestr
 extern char *gitstrcasestr(const char *haystack, const char *needle);
 #endif
 
+#ifdef NO_STRLCPY
+#define strlcpy gitstrlcpy
+extern size_t gitstrlcpy(char *, const char *, size_t);
+#endif
+
 static inline void *xmalloc(size_t size)
 {
        void *ret = malloc(size);
@@ -67,6 +91,9 @@ static inline void *xmalloc(size_t size)
                ret = malloc(1);
        if (!ret)
                die("Out of memory, malloc failed");
+#ifdef XMALLOC_POISON
+       memset(ret, 0xA5, size);
+#endif
        return ret;
 }
 
@@ -112,6 +139,13 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len)
        }
 }
 
+static inline int has_extension(const char *filename, const char *ext)
+{
+       size_t len = strlen(filename);
+       size_t extlen = strlen(ext);
+       return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
+}
+
 /* Sane ctype - no locale, and works with signed chars */
 #undef isspace
 #undef isdigit
@@ -138,7 +172,4 @@ static inline int sane_case(int x, int high)
        return x;
 }
 
-#ifndef MAXPATHLEN
-#define MAXPATHLEN 256
-#endif
 #endif