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cmdutils: Read errno before av_log() as the callback from av_log() might affect errno 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-10-25 13:17:26 +02:00
parent 92d366f6ab
commit 2fc970a6b8
1 changed files with 7 additions and 4 deletions
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11
cmdutils.c
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@ -959,9 +959,10 @@ static int init_report(const char *env)
report_file = fopen(filename.str, "w");
if (!report_file) {
int ret = AVERROR(errno);
av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
filename.str, strerror(errno));
return AVERROR(errno);
return ret;
}
av_log_set_callback(log_callback_report);
av_log(NULL, AV_LOG_INFO,
@ -1863,17 +1864,19 @@ int cmdutils_read_file(const char *filename, char **bufptr, size_t *size)
FILE *f = av_fopen_utf8(filename, "rb");
if (!f) {
ret = AVERROR(errno);
av_log(NULL, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename,
strerror(errno));
return AVERROR(errno);
return ret;
}
fseek(f, 0, SEEK_END);
*size = ftell(f);
fseek(f, 0, SEEK_SET);
if (*size == (size_t)-1) {
ret = AVERROR(errno);
av_log(NULL, AV_LOG_ERROR, "IO error: %s\n", strerror(errno));
fclose(f);
return AVERROR(errno);
return ret;
}
*bufptr = av_malloc(*size + 1);
if (!*bufptr) {
@ -1885,9 +1888,9 @@ int cmdutils_read_file(const char *filename, char **bufptr, size_t *size)
if (ret < *size) {
av_free(*bufptr);
if (ferror(f)) {
ret = AVERROR(errno);
av_log(NULL, AV_LOG_ERROR, "Error while reading file '%s': %s\n",
filename, strerror(errno));
ret = AVERROR(errno);
} else
ret = AVERROR_EOF;
} else {