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| author | Michael Buesch <m@bues.ch> | 2019-05-26 16:17:32 +0200 |
|---|---|---|
| committer | Michael Buesch <m@bues.ch> | 2019-05-26 16:18:30 +0200 |
| commit | f848eb8b1216663d6c6b72a53f9d2a483cefb1ad (patch) | |
| tree | 34c0198778e798323fcad04b85bc9305d92f2550 /icepll | |
| parent | 2cee28fd470d4e79ea7f3f279c4a686846302a04 (diff) | |
| download | icestorm-f848eb8b1216663d6c6b72a53f9d2a483cefb1ad.tar.gz icestorm-f848eb8b1216663d6c6b72a53f9d2a483cefb1ad.tar.bz2 icestorm-f848eb8b1216663d6c6b72a53f9d2a483cefb1ad.zip | |
icepll: Avoid segmentation fault, if opening of output file fails
Diffstat (limited to 'icepll')
| -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) { |