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util: Add error messages into files/dirs open helper

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Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
This commit is contained in:
Cyrill Gorcunov
2011-11-15 11:29:33 +04:00
parent 1c5f981e51
commit dd4d829d61
1 changed files with 15 additions and 3 deletions
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18
util.c
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@@ -414,6 +414,7 @@ err_bogus_mapping:
DIR *opendir_proc(char *fmt, ...) DIR *opendir_proc(char *fmt, ...)
{ {
DIR *dir;
char path[128]; char path[128];
va_list args; va_list args;
@@ -422,11 +423,15 @@ DIR *opendir_proc(char *fmt, ...)
vsnprintf(path + 6, sizeof(path) - 6, fmt, args); vsnprintf(path + 6, sizeof(path) - 6, fmt, args);
va_end(args); va_end(args);
return opendir(path); dir = opendir(path);
if (!dir)
pr_perror("Can't open %s\n", path);
return dir;
} }
FILE *fopen_proc(char *fmt, char *mode, ...) FILE *fopen_proc(char *fmt, char *mode, ...)
{ {
FILE *file;
char fname[128]; char fname[128];
va_list args; va_list args;
@@ -435,11 +440,15 @@ FILE *fopen_proc(char *fmt, char *mode, ...)
vsnprintf(fname + 6, sizeof(fname) - 6, fmt, args); vsnprintf(fname + 6, sizeof(fname) - 6, fmt, args);
va_end(args); va_end(args);
return fopen(fname, mode); file = fopen(fname, mode);
if (!file)
pr_perror("Can't open %s\n", fname);
return file;
} }
int open_fmt(char *fmt, int mode, ...) int open_fmt(char *fmt, int mode, ...)
{ {
int fd;
char fname[128]; char fname[128];
va_list args; va_list args;
@@ -447,5 +456,8 @@ int open_fmt(char *fmt, int mode, ...)
vsnprintf(fname, sizeof(fname), fmt, args); vsnprintf(fname, sizeof(fname), fmt, args);
va_end(args); va_end(args);
return open(fname, mode); fd = open(fname, mode);
if (fd < 0)
pr_perror("Can't open %s\n", fname);
return fd;
} }