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nwjsmith/gist:78305

Created March 12, 2009 21:44
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Some macros for making system calls less verbose
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gistfile1.h
#define TRY_ASSIGN(v, x) do { \
v = x; \
if (v == -1) { \
fprintf(stderr, # x ": %s\n", strerror(errno)); \
exit(EXIT_FAILURE); \
} \
} while (0)
#define TRY(x) do { int unused; TRY_ASSIGN(unused, x); } while (0)
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