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Code Issues Releases Wiki Activity

Report when a file cannot be opened

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This commit is contained in:
Zac Stewart 2020-06-08 19:28:16 -04:00
parent 48f371d380
commit 5402136e62
1 changed files with 5 additions and 0 deletions
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5
tools/blkpack.c
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@ -2,6 +2,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#include <dirent.h> #include <dirent.h>
#include <errno.h>
#include <string.h> #include <string.h>
#include <sys/stat.h> #include <sys/stat.h>
@ -41,6 +42,10 @@ int main(int argc, char *argv[])
strcat(fullpath, "/"); strcat(fullpath, "/");
strcat(fullpath, ep->d_name); strcat(fullpath, ep->d_name);
FILE *fp = fopen(fullpath, "r"); FILE *fp = fopen(fullpath, "r");
if (fp == NULL) {
fprintf(stderr, "Could not open %s: %s\n", ep->d_name, strerror(errno));
continue;
}
char *line = NULL; char *line = NULL;
size_t n = 0; size_t n = 0;
for (int i=0; i<16; i++) { for (int i=0; i<16; i++) {