901421a5bd
Introduce and use new astrcat() and astrcatf() functions which replace the strbuf functionality for subcmd. For now they duplicate strbuf's die-on-allocation-error policy. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/957d207e1254406fa11fc2e405e75a7e405aad8f.1450193761.git.jpoimboe@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
24 lines
486 B
C
24 lines
486 B
C
#ifndef __PERF_SUBCMD_UTIL_H
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#define __PERF_SUBCMD_UTIL_H
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#include <stdio.h>
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#define astrcatf(out, fmt, ...) \
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({ \
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char *tmp = *(out); \
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if (asprintf((out), "%s" fmt, tmp ?: "", ## __VA_ARGS__) == -1) \
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die("asprintf failed"); \
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free(tmp); \
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})
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static inline void astrcat(char **out, const char *add)
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{
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char *tmp = *out;
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if (asprintf(out, "%s%s", tmp ?: "", add) == -1)
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die("asprintf failed");
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free(tmp);
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}
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#endif /* __PERF_SUBCMD_UTIL_H */
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