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util: buffer: use VIR_AUTOFREE instead of VIR_FREE for scalar types

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By making use of GNU C's cleanup attribute handled by the
VIR_AUTOFREE macro for declaring scalar variables, majority
of the VIR_FREE calls can be dropped, which in turn leads to
getting rid of most of our cleanup sections.

Signed-off-by: Sukrit Bhatnagar <skrtbhtngr@gmail.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
Sukrit Bhatnagar 2018-07-24 21:22:05 +05:30 committed by Erik Skultety
parent 96fbf6df90
commit 013a7b9ef2
1 changed files with 7 additions and 8 deletions
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15
src/util/virbuffer.c
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@ -456,7 +456,8 @@ void
virBufferEscapeString(virBufferPtr buf, const char *format, const char *str)
{
int len;
char *escaped, *out;
VIR_AUTOFREE(char *) escaped = NULL;
char *out;
const char *cur;
const char forbidden_characters[] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
@ -533,7 +534,6 @@ virBufferEscapeString(virBufferPtr buf, const char *format, const char *str)
*out = 0;
virBufferAsprintf(buf, format, escaped);
VIR_FREE(escaped);
}
/**
@ -612,7 +612,8 @@ virBufferEscape(virBufferPtr buf, char escape, const char *toescape,
const char *format, const char *str)
{
int len;
char *escaped, *out;
VIR_AUTOFREE(char *) escaped = NULL;
char *out;
const char *cur;
if ((format == NULL) || (buf == NULL) || (str == NULL))
@ -644,7 +645,6 @@ virBufferEscape(virBufferPtr buf, char escape, const char *toescape,
*out = 0;
virBufferAsprintf(buf, format, escaped);
VIR_FREE(escaped);
}
@ -690,7 +690,7 @@ virBufferEscapeN(virBufferPtr buf,
{
int len;
size_t i;
char *escaped = NULL;
VIR_AUTOFREE(char *) escaped = NULL;
char *out;
const char *cur;
virBufferEscapePair escapeItem;
@ -753,7 +753,6 @@ virBufferEscapeN(virBufferPtr buf,
cleanup:
va_end(ap);
VIR_FREE(escapeList);
VIR_FREE(escaped);
}
@ -818,7 +817,8 @@ void
virBufferEscapeShell(virBufferPtr buf, const char *str)
{
int len;
char *escaped, *out;
VIR_AUTOFREE(char *) escaped = NULL;
char *out;
const char *cur;
if ((buf == NULL) || (str == NULL))
@ -862,7 +862,6 @@ virBufferEscapeShell(virBufferPtr buf, const char *str)
*out = 0;
virBufferAdd(buf, escaped, -1);
VIR_FREE(escaped);
}
/**