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Cache config_file components in AVRPART and PROGRAMMER structures

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Some 90% of the space of AVRPART and some 50% of PROGRAMMER is occupied by a
4 kB array config_file[] that contains the configuration file name. In
preparation of developer options that output a raw dump of the part
descriptions, this commit changes the config_file components from a large
array, which is duplicated in each part and programmer description, to a
cached string for each config file allowing for smaller raw dumps.

This commit also changes the config file name to its realpath(), eg, shortens
unwarranted `/bin/../etc/` file name components. It also changes the global
variable names `infile` and `fileno` to cfg_infile and cfg_fileno for an ever
so slight improvement of code clarity.
This commit is contained in:
Stefan Rueger
2022-07-18 18:10:09 +01:00
parent 87401d341e
commit f95a1d3448
7 changed files with 80 additions and 35 deletions
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src/avrpart.c
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@@ -568,7 +568,7 @@ AVRPART * avr_new_part(void)
p->reset_disposition = RESET_DEDICATED;
p->retry_pulse = PIN_AVR_SCK;
p->flags = AVRPART_SERIALOK | AVRPART_PARALLELOK | AVRPART_ENABLEPAGEPROGRAMMING;
p->config_file[0] = 0;
p->config_file = NULL;
p->lineno = 0;
memset(p->signature, 0xFF, 3);
p->ctl_stack_type = CTL_STACK_NONE;