git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/git-compat-util.h b/git-compat-util.h
index 86c896296686c94db6e9d0f2238a72aa383f647f..73968e02b024f22068eb5500033f7a2f41d31e8f 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -67,6 +67,10 @@
 #include <fnmatch.h>
 #include <sys/poll.h>
 #include <sys/socket.h>
+#include <sys/ioctl.h>
+#ifndef NO_SYS_SELECT_H
+#include <sys/select.h>
+#endif
 #include <assert.h>
 #include <regex.h>
 #include <netinet/in.h>
@@ -120,6 +124,8 @@ extern void set_die_routine(void (*routine)(const char *err, va_list params) NOR
 extern void set_error_routine(void (*routine)(const char *err, va_list params));
 extern void set_warn_routine(void (*routine)(const char *warn, va_list params));
 
+extern int prefixcmp(const char *str, const char *prefix);
+
 #ifdef NO_MMAP
 
 #ifndef PROT_READ
@@ -198,6 +204,20 @@ void *gitmemmem(const void *haystack, size_t haystacklen,
                 const void *needle, size_t needlelen);
 #endif
 
+#ifdef FREAD_READS_DIRECTORIES
+#define fopen(a,b) git_fopen(a,b)
+extern FILE *git_fopen(const char*, const char*);
+#endif
+
+#ifdef SNPRINTF_RETURNS_BOGUS
+#define snprintf git_snprintf
+extern int git_snprintf(char *str, size_t maxsize,
+                       const char *format, ...);
+#define vsnprintf git_vsnprintf
+extern int git_vsnprintf(char *str, size_t maxsize,
+                        const char *format, va_list ap);
+#endif
+
 #ifdef __GLIBC_PREREQ
 #if __GLIBC_PREREQ(2, 1)
 #define HAVE_STRCHRNUL
@@ -394,11 +414,6 @@ static inline int sane_case(int x, int high)
        return x;
 }
 
-static inline int prefixcmp(const char *str, const char *prefix)
-{
-       return strncmp(str, prefix, strlen(prefix));
-}
-
 static inline int strtoul_ui(char const *s, int base, unsigned int *result)
 {
        unsigned long ul;
@@ -425,4 +440,16 @@ static inline int strtol_i(char const *s, int base, int *result)
        return 0;
 }
 
+#ifdef INTERNAL_QSORT
+void git_qsort(void *base, size_t nmemb, size_t size,
+              int(*compar)(const void *, const void *));
+#define qsort git_qsort
+#endif
+
+#ifndef DIR_HAS_BSD_GROUP_SEMANTICS
+# define FORCE_DIR_SET_GID S_ISGID
+#else
+# define FORCE_DIR_SET_GID 0
+#endif
+
 #endif