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Fixed parameters naming and type and added comments

This commit is contained in:
garfieldG 2017-07-09 10:08:58 +03:00 committed by Lorenz Meier
parent 44e148151b
commit be41cf8ba1
1 changed files with 22 additions and 11 deletions
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33
src/lib/version/version.c
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@ -64,25 +64,34 @@ typedef enum {
MAJOR=16
} version_type_t;
static void string_to_int(int8_t mag, version_type_t v_type, uint32_t *ver, int start, const char *tag)
/**
* Convert a version number from string to int
* @param version tag
* @param start index of the fist char
* @param end index of the last char
* @return version number as int
*/
static uint32_t string_to_int(const char *tag, int start, int end)
{
const char *curr = &tag[start];
uint32_t temp_ver = 0;
while (curr <= &tag[mag])
while (curr <= &tag[end])
{
temp_ver = (temp_ver << 3) + (temp_ver << 1) + (*curr - '0');
temp_ver = (temp_ver * 10) + (*curr - '0');
curr++;
}
*ver = (temp_ver << v_type) + *ver;
return temp_ver;
}
/**
* Convert a version tag string to a number
* @param tag version tag in one of the following forms:
* - dev: v1.4.0rc3-7-g7e282f57
* - dev: v1.4.0rc3-7-g7e282f57-dirty
* - dev: v1.4.0-dirty
* - rc: v1.4.0rc4
* - release: v1.4.0
* - linux: 7.9.3
@ -92,7 +101,7 @@ static uint32_t version_tag_to_number(const char *tag)
{
uint32_t ver = 0;
unsigned len = strlen(tag);
unsigned mag = 0;
int end = 0;
int32_t type = -1;
unsigned dashcount = 0;
version_type_t v_type = PATCH;
@ -104,20 +113,22 @@ static uint32_t version_tag_to_number(const char *tag)
}
if (tag[i] >= '0' && tag[i] <= '9') {
if (!mag)
if (!end)
{
mag = i;
end = i;
}
if (i == 0)
{
string_to_int(mag, v_type, &ver, i, tag);
uint32_t temp_ver = string_to_int(tag, i, end);
ver = (temp_ver << v_type) + ver;
}
} else if ((tag[i] == '.') || (i==0)) {
string_to_int(mag, v_type, &ver, (i + 1), tag);
uint32_t temp_ver = string_to_int(tag, (i + 1), end);
ver = (temp_ver << v_type) + ver;
mag = 0;
end = 0;
switch(v_type)
{
@ -166,7 +177,7 @@ static uint32_t version_tag_to_number(const char *tag)
* are seeing non-numeric characters (eg. '-')
*/
ver = 0;
mag = 0;
end = 0;
}
}