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save_textarea_file(): handle return values of fwrite() and fclose(). Patch

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by Alexey Tourbin.
This commit is contained in:
Laurent MONIN 2007-03-05 21:47:09 +01:00 committed by Laurent MONIN
parent 1e00f2d10d
commit ecce8bfa91
1 changed files with 11 additions and 2 deletions
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13
src/viewer/text/textarea.c
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@ -534,6 +534,7 @@ save_textarea_file(unsigned char *value)
unsigned char *filename; unsigned char *filename;
FILE *fp = NULL; FILE *fp = NULL;
int fd; int fd;
size_t nmemb;
filename = get_tempdir_filename("elinks-area-XXXXXX"); filename = get_tempdir_filename("elinks-area-XXXXXX");
if (!filename) return NULL; if (!filename) return NULL;
@ -546,14 +547,22 @@ save_textarea_file(unsigned char *value)
fp = fdopen(fd, "w"); fp = fdopen(fd, "w");
if (!fp) { if (!fp) {
error:
unlink(filename); unlink(filename);
mem_free(filename); mem_free(filename);
close(fd); close(fd);
return NULL; return NULL;
} }
fwrite(value, strlen(value), 1, fp); nmemb = fwrite(value, strlen(value), 1, fp);
fclose(fp); if (nmemb != 1) {
fclose(fp);
goto error;
}
if (fclose(fp) != 0)
goto error;
return filename; return filename;
} }