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| author | Clifford Wolf <clifford@clifford.at> | 2019-05-26 16:36:28 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-05-26 16:36:28 +0200 |
| commit | 710470f9d28891698aa015eb8c101d1cf75fc332 (patch) | |
| tree | 34c0198778e798323fcad04b85bc9305d92f2550 | |
| parent | 2cee28fd470d4e79ea7f3f279c4a686846302a04 (diff) | |
| parent | f848eb8b1216663d6c6b72a53f9d2a483cefb1ad (diff) | |
| download | icestorm-710470f9d28891698aa015eb8c101d1cf75fc332.tar.gz icestorm-710470f9d28891698aa015eb8c101d1cf75fc332.tar.bz2 icestorm-710470f9d28891698aa015eb8c101d1cf75fc332.zip | |
Merge pull request #219 from mbuesch/icepll-fix-fopen
icepll: Avoid segmentation fault, if opening of output file fails
| -rw-r--r-- | icepll/icepll.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/icepll/icepll.cc b/icepll/icepll.cc index 689b362..192eee6 100644 --- a/icepll/icepll.cc +++ b/icepll/icepll.cc @@ -16,6 +16,7 @@ #include <stdio.h> #include <stdlib.h> +#include <errno.h> #include <unistd.h> #include <string.h> #include <math.h> @@ -243,6 +244,12 @@ int main(int argc, char **argv) // open file for writing FILE *f; f = fopen(filename, "w"); + if (f == NULL) + { + fprintf(stderr, "Error: Failed to open output file '%s': %s\n", + filename, strerror(errno)); + exit(1); + } if (save_as_module) { |