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Code Issues Releases Activity

Handle if popen should fail

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This commit is contained in:
Nikolas Garofil 2009-07-25 14:36:55 +02:00
parent febc5306e2
commit 4d37d021e1
1 changed files with 9 additions and 5 deletions
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14
src/conky.c
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@ -642,12 +642,16 @@ static struct text_object global_root_object;
static inline void read_exec(const char *data, char *buf, const int size) static inline void read_exec(const char *data, char *buf, const int size)
{ {
FILE *fp = popen(data, "r"); FILE *fp = popen(data, "r");
int length = fread(buf, 1, size, fp); if(fp) {
int length = fread(buf, 1, size, fp);
pclose(fp); pclose(fp);
buf[length] = '\0'; buf[length] = '\0';
if (length > 0 && buf[length - 1] == '\n') { if (length > 0 && buf[length - 1] == '\n') {
buf[length - 1] = '\0'; buf[length - 1] = '\0';
}
} else {
buf[0] = '\0';
} }
} }